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ORDER ONLINE
Powroll
13840 Commercial Lp
Crooked River, OR
97760
Mail:
PO Box 920
Redmond OR 97756
Phone
541-923-1290
Fax
541-923-5637
Email
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FYI:
AMA allows 4-strokes up to 125cc in most 90cc youth classes.
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STOCK SPECIFICATIONS:
47mm BORE X 49.5mm STROKE
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2006 and later models have electric start and other changes that make
pipe design requirements different. |
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PISTON KIT - STD BORE - HIGH COMP
47mm Piston, 11:1 Compression
This stock size kit installs
in your cylinder with no boring required.
INCLUDES: Piston, pin, rings,
circlips, headgasket, basegasket. REQUIRES: Check clearances before
installation.
RECOMMENDATIONS: Bikes ridden
at or near sea level may run better with a mix of 1/2 race gas and 1/2
premium pump fuel.
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00335 H
BORE KIT TRX90 HICOMP -- $165.00
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BORE
KIT 95CC
49.5mm piston, 9.5:1 compression
Good boost in torque and
midrange when installed alone. Best with our Preferred kit listed above!
INCLUDES: Piston, pin, rings,
circlips, headgasket, basegasket.
REQUIRES: Boring, rejetting.
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00299 H BORE KIT 95CC -- $165.00
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BORE KIT - OVERSIZE FOR
95cc
50mm Piston, 9.5:1
Compression
.020” Oversize for our
#00299
INCLUDES: Piston, pin, rings, teflon pin
retainers, headgasket.
REQUIRES: Boring. |
00299B H BORE KIT 95CC +.020 -- $165.00
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BORE
KIT 111CC
53.5mm
piston, 11:1 compression
Excellent low-end power,
quick throttle response and better overall horsepower with this kit.
Works even better when used in our Super Pro kit shown above!
INCLUDES: Piston, pin, rings,
circlips, headgasket, basegasket, sleeve.
REQUIRES: Re-sleeving, Boring,
Case Machining, rejetting.
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00345 H BORE KIT 111CC -- $279.00
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BORE KIT - OVERSIZE FOR
111cc
54mm
Piston, 11:1 Compression
.020” Oversize for our
#00345
INCLUDES: Piston, pin, rings, circlips,
headgasket, basegasket.
REQUIRES: Bores into the Powroll sleeve
provided with kit #00345. |
00345B H BORE KIT 54MM -- $185.00
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122cc AMA-legal kit: 16095RA stroked
crank, shown with #00345 bore kit sold above. |
4.5mm STROKER
WITH HEAVY DUTY
ROD ASSEMBLY
54mm total stroke.
104cc’s with 49.5mm piston. 125cc's with 54mm piston
Incredible torque and awesome
overall power increase.
INCLUDES: New Rod, pin,
needle assembly. Work done on your crank.
REQUIRES:
Send in your crank for modification. Download our
Stroker Booklet
for details.
RECOMMENDATIONS:
Modifications may be required if using other piston/cam brands.
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16095RA H
STROKE TRX90 WITH ROD ASSY -- $375.00
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CAMSHAFT - RACE GRIND
HARDWELD
CAM, INCLUDES CORE CHARGE
Lift .239”
IN / .243” EX
This grind
is specifically designed to give you the BEST power possible for your
Powrolled 90! An awesome increase in mid to top end power when used with
our bore kit. Also works as a race grind (top end power) with our high
compression piston.
Works with
stock springs and retainers. Includes Bearings. |
12740-22740G H CAM TRX90 (Price incl. core crg of $100.00) -- $310.00
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CAM CHAIN - POWROLL HEAVY DUTY
Stronger than the OEM Honda chain.
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18528 H HD CAM CHAIN TRX90 -- $35.00
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2006 & LATER MODELS - JET KIT
Larger jets for
the 2006 TRX90 aren't available from Honda, and stock jetting is
extremely lean. Any modifications done to this model will require
rejetting. This kit includes 3 larger main jets and a special needle
shim, which will work with engines up to 112cc's. We also include part
numbers and specialized jetting instructions for our 125cc kits.
KIT INCLUDES:
Needle shim, main jet sizes 92, 95 & 98. Jetting instructions.
Honda part numbers for larger jets.
RECOMMENDATIONS: Works
on any engine from stock to 125cc's.
NOTE - Jets are available for the earlier model TRX90 from Honda. All
Powroll orders include jetting information and part numbers to obtain
the correct jets. |
Which to order?
Choose
#21351w/s if
purchasing the jet kit alone (includes shipping via USPS Priority Mail).
Choose #21351
if purchasing with other parts, are ordering from outside the US, or
would like to pay for faster shipping.
21351 H JET KIT TRX90 06-CURRENT -
Includes discounted shipping -- $24.95
21351 H JET KIT TRX90 06-CURRENT - not including shipping charges -- $19.00
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2006 and Newer Models
EXHAUST - POWROLL SYSTEM
The only aftermarket system
built for the TRX 90 that is designed specifically for modified engines.
Includes Tuneable
spark arrestor, jet kit #21351 & complete installation instructions. |
18354 H
EXH SYS TRX90 2006> -- $260.00
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1993-2005 Models
EXHAUST - POWROLL SYSTEM
The only aftermarket system
built for the TRX 90 that is designed specifically for modified engines.
Includes Tuneable spark
arrestor. |
18333 H
EXH SYS TRX90 1993-2005 -- $250.00
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CLUTCH SPRINGS - DRIVE
Stronger springs to withstand increased
horsepower. |
16781 H CLUTCH SPGS TRX90 -- $25.00
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CLUTCH SHOES - CENTRIFUGAL
LIGHTENED (centrifugal)
CLUTCH SHOES
Send in your stock clutch shoes to be
lightened by Powroll technicians -- giving the best power possible with
our engine kits. Lighter shoes allow the engine to rev higher
before engagement - for no-bog holeshots!
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25421 H
TRX90 LIGHTEN CLUTCH SHOES -- $75.00
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VENTED VALVE CAP
This Billet cap is not only a
stunning visual addition to your tricked out scoot, it produces more
power by allowing the engine to vent excess crankcase pressure. Reducing
crankcase pressure will allow your engine to rev higher and pull harder!
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18530
VENTED VALVE CAP -- $45.00
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